diff --git a/lib/charms/operator_libs_linux/v2/snap.py b/lib/charms/operator_libs_linux/v2/snap.py
index 6d4dc38..9d09a78 100644
--- a/lib/charms/operator_libs_linux/v2/snap.py
+++ b/lib/charms/operator_libs_linux/v2/snap.py
@@ -83,7 +83,7 @@
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 6
+LIBPATCH = 7
 
 
 # Regex to locate 7-bit C1 ANSI sequences
@@ -319,7 +319,10 @@ def get(self, key: Optional[str], *, typed: bool = False) -> Any:
                 Default is to return a string.
         """
         if typed:
-            config = json.loads(self._snap("get", ["-d", key]))
+            args = ["-d"]
+            if key:
+                args.append(key)
+            config = json.loads(self._snap("get", args))
             if key:
                 return config.get(key)
             return config
diff --git a/tests/integration/test_snap.py b/tests/integration/test_snap.py
index 640b568..c3597ae 100644
--- a/tests/integration/test_snap.py
+++ b/tests/integration/test_snap.py
@@ -116,6 +116,22 @@ def test_snap_set_and_get_with_typed():
 
     assert lxd.get("criu.enable", typed=True) == "true"
     assert lxd.get("ceph.external", typed=True) == "false"
+    assert lxd.get(None, typed=True) == {
+        "true": True,
+        "false": False,
+        "integer": 1,
+        "float": 2.0,
+        "list": [1, 2.0, True, False, None],
+        "dict": {
+            "true": True,
+            "false": False,
+            "integer": 1,
+            "float": 2.0,
+            "list": [1, 2.0, True, False, None],
+        },
+        "criu": {"enable": "true"},
+        "ceph": {"external": "false"},
+    }
 
 
 def test_snap_set_and_get_untyped():